eric6/Preferences/ConfigurationPages/EditorGeneralPage.py

Sat, 28 Sep 2019 18:44:48 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 28 Sep 2019 18:44:48 +0200
changeset 7278
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parent 7229
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child 7360
9190402e4505
permissions
-rw-r--r--

Editor: added configuration option to set the tab and indentation width for each languages separately (as an override to the global ones).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the Editor General configuration page.
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8 """
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9
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10 from PyQt5.QtCore import pyqtSlot, Qt
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11 from PyQt5.QtWidgets import QTreeWidgetItem, QHeaderView, QDialog
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12 from PyQt5.Qsci import QsciScintillaBase
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13
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14 from E5Gui import E5MessageBox
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15
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16 from .ConfigurationPageBase import ConfigurationPageBase
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17 from .Ui_EditorGeneralPage import Ui_EditorGeneralPage
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18 from .EditorLanguageTabIndentOverrideDialog import (
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19 EditorLanguageTabIndentOverrideDialog
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20 )
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21
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22 import Preferences
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23 import UI.PixmapCache
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24
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25
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26 class EditorGeneralPage(ConfigurationPageBase, Ui_EditorGeneralPage):
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27 """
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28 Class implementing the Editor General configuration page.
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29 """
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30 def __init__(self):
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31 """
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32 Constructor
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33 """
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34 super(EditorGeneralPage, self).__init__()
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35 self.setupUi(self)
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36 self.setObjectName("EditorGeneralPage")
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37
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38 self.addButton.setIcon(UI.PixmapCache.getIcon("plus"))
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39 self.deleteButton.setIcon(UI.PixmapCache.getIcon("minus"))
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40 self.editButton.setIcon(UI.PixmapCache.getIcon("edit"))
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41
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42 # set initial values
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43 self.tabwidthSlider.setValue(
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44 Preferences.getEditor("TabWidth"))
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45 self.indentwidthSlider.setValue(
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46 Preferences.getEditor("IndentWidth"))
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47 self.tabforindentationCheckBox.setChecked(
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48 Preferences.getEditor("TabForIndentation"))
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49 self.tabindentsCheckBox.setChecked(
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50 Preferences.getEditor("TabIndents"))
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51 self.converttabsCheckBox.setChecked(
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52 Preferences.getEditor("ConvertTabsOnLoad"))
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53 self.autoindentCheckBox.setChecked(
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54 Preferences.getEditor("AutoIndentation"))
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55 self.comment0CheckBox.setChecked(
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56 Preferences.getEditor("CommentColumn0"))
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57
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58 virtualSpaceOptions = Preferences.getEditor("VirtualSpaceOptions")
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59 self.vsSelectionCheckBox.setChecked(
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60 virtualSpaceOptions & QsciScintillaBase.SCVS_RECTANGULARSELECTION)
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61 self.vsUserCheckBox.setChecked(
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62 virtualSpaceOptions & QsciScintillaBase.SCVS_USERACCESSIBLE)
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63
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64 self.__populateLanguageOverrideWidget()
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65
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66 def save(self):
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67 """
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68 Public slot to save the Editor General configuration.
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69 """
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70 Preferences.setEditor(
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71 "TabWidth",
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72 self.tabwidthSlider.value())
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73 Preferences.setEditor(
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74 "IndentWidth",
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75 self.indentwidthSlider.value())
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76 Preferences.setEditor(
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77 "TabForIndentation",
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78 self.tabforindentationCheckBox.isChecked())
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79 Preferences.setEditor(
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80 "TabIndents",
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81 self.tabindentsCheckBox.isChecked())
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82 Preferences.setEditor(
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83 "ConvertTabsOnLoad",
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84 self.converttabsCheckBox.isChecked())
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85 Preferences.setEditor(
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86 "AutoIndentation",
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87 self.autoindentCheckBox.isChecked())
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88 Preferences.setEditor(
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89 "CommentColumn0",
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90 self.comment0CheckBox.isChecked())
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91
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92 virtualSpaceOptions = QsciScintillaBase.SCVS_NONE
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93 if self.vsSelectionCheckBox.isChecked():
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94 virtualSpaceOptions |= QsciScintillaBase.SCVS_RECTANGULARSELECTION
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95 if self.vsUserCheckBox.isChecked():
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96 virtualSpaceOptions |= QsciScintillaBase.SCVS_USERACCESSIBLE
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97 Preferences.setEditor("VirtualSpaceOptions", virtualSpaceOptions)
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98
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99 self.__saveLanguageOverrides()
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100
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101 def on_tabforindentationCheckBox_toggled(self, checked):
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102 """
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103 Private slot used to set the tab conversion check box.
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104
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105 @param checked flag received from the signal (boolean)
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106 """
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107 if checked and self.converttabsCheckBox.isChecked():
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108 self.converttabsCheckBox.setChecked(not checked)
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109 self.converttabsCheckBox.setEnabled(not checked)
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110
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111 def __populateLanguageOverrideWidget(self):
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112 """
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113 Private method to populate the language specific indentation and tab
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114 width override widget.
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115 """
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116 overrides = Preferences.getEditor("TabIndentOverride")
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117 for language, (tabWidth, indentWidth) in overrides.items():
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118 self.__createOverrideItem(language, tabWidth, indentWidth)
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119 self.languageOverrideWidget.sortItems(0, Qt.AscendingOrder)
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120 self.__resizeOverrideColumns()
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121 self.on_languageOverrideWidget_itemSelectionChanged()
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122
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123 def __createOverrideItem(self, language, tabWidth, indentWidth):
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124 """
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125 Private method to create an entry for a language override.
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126
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127 @param language name of the language
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128 @type str
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129 @param tabWidth tabulator width
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130 @type int
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131 @param indentWidth indentation width
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132 @type int
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133 """
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134 itm = QTreeWidgetItem(self.languageOverrideWidget, [
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135 language,
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136 "{0:2d}".format(tabWidth),
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137 "{0:2d}".format(indentWidth)])
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138 itm.setTextAlignment(1, Qt.AlignHCenter)
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139 itm.setTextAlignment(2, Qt.AlignHCenter)
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140
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141 def __resizeOverrideColumns(self):
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142 """
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143 Private method to resize the list columns.
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144 """
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145 self.languageOverrideWidget.header().resizeSections(
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146 QHeaderView.ResizeToContents)
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147 self.languageOverrideWidget.header().setStretchLastSection(True)
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148
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149 def __saveLanguageOverrides(self):
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150 """
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151 Private method to save the language specific indentation and tab width
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152 overrides.
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153 """
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154 overrides = {}
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155 for row in range(self.languageOverrideWidget.topLevelItemCount()):
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156 itm = self.languageOverrideWidget.topLevelItem(row)
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157 language = itm.text(0)
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158 overrides[language] = [
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159 int(itm.text(1)),
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160 int(itm.text(2)),
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161 ]
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162
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163 Preferences.setEditor("TabIndentOverride", overrides)
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164
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165 @pyqtSlot()
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166 def on_languageOverrideWidget_itemSelectionChanged(self):
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167 """
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168 Private slot handling a change of the override selection.
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169 """
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170 self.deleteButton.setEnabled(
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171 len(self.languageOverrideWidget.selectedItems()) > 0)
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172 self.editButton.setEnabled(
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173 len(self.languageOverrideWidget.selectedItems()) == 1)
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174
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175 @pyqtSlot()
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176 def on_addButton_clicked(self):
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177 """
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178 Private slot to add a new override entry.
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179 """
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180 import QScintilla.Lexers
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181 languages = list(
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182 QScintilla.Lexers.getSupportedLanguages().keys())
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183 for row in range(self.languageOverrideWidget.topLevelItemCount()):
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184 itm = self.languageOverrideWidget.topLevelItem(row)
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185 language = itm.text(0)
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186 if language in languages:
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187 languages.remove(language)
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188 dlg = EditorLanguageTabIndentOverrideDialog(
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189 editMode=False,
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190 languages=languages,
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191 tabWidth=self.tabwidthSlider.value(),
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192 indentWidth=self.indentwidthSlider.value(),
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193 )
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194 if dlg.exec_() == QDialog.Accepted:
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195 language, tabWidth, indentWidth = dlg.getData()
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196 self.__createOverrideItem(language, tabWidth, indentWidth)
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197 self.languageOverrideWidget.sortItems(0, Qt.AscendingOrder)
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198 self.__resizeOverrideColumns()
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199
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200 @pyqtSlot()
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201 def on_deleteButton_clicked(self):
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202 """
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203 Private slot to delete the selected override entries.
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204 """
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205 ok = E5MessageBox.yesNo(
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206 self,
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207 self.tr("Tab and Indent Override"),
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208 self.tr("""Shall the selected entries really be removed?"""))
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209 if ok:
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210 for itm in self.languageOverrideWidget.selectedItems():
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211 index = self.languageOverrideWidget.indexOfTopLevelItem(itm)
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212 self.languageOverrideWidget.takeTopLevelItem(index)
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213 del itm
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214
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215 @pyqtSlot()
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216 def on_editButton_clicked(self):
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217 """
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218 Private slot to edit the selected override entry.
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219 """
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220 itm = self.languageOverrideWidget.selectedItems()[0]
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221 dlg = EditorLanguageTabIndentOverrideDialog(
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222 editMode=True,
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223 languages=[itm.text(0)],
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224 tabWidth=int(itm.text(1)),
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225 indentWidth=int(itm.text(2)),
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226 )
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parents: 7229
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227 if dlg.exec_() == QDialog.Accepted:
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228 language, tabWidth, indentWidth = dlg.getData()
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parents: 7229
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229 itm.setText(1, "{0:2d}".format(tabWidth))
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parents: 7229
diff changeset
230 itm.setText(2, "{0:2d}".format(indentWidth))
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parents: 7229
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231
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parents: 791
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232
0
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parents:
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233 def create(dlg):
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parents:
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234 """
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parents:
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235 Module function to create the configuration page.
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parents:
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236
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237 @param dlg reference to the configuration dialog
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parents: 2659
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238 @return reference to the instantiated page (ConfigurationPageBase)
0
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239 """
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240 page = EditorGeneralPage()
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parents: 791
diff changeset
241 return page

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